glibc/sysdeps/x86_64/fpu/multiarch/e_log2.c

44 lines
1.4 KiB
C

/* Multiple versions of log2.
Copyright (C) 2023-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <libm-alias-double.h>
#include <libm-alias-finite.h>
extern double __redirect_log2 (double);
#define SYMBOL_NAME log2
#include "ifunc-fma.h"
libc_ifunc_redirected (__redirect_log2, __log2, IFUNC_SELECTOR ());
#ifdef SHARED
__hidden_ver1 (__log2, __GI___log2, __redirect_log2)
__attribute__ ((visibility ("hidden")));
versioned_symbol (libm, __ieee754_log2, log2, GLIBC_2_29);
libm_alias_double_other (__log2, log2)
#else
libm_alias_double (__log2, log2)
#endif
strong_alias (__log2, __ieee754_log2)
libm_alias_finite (__log2, __log2)
#define __log2 __log2_sse2
#include <sysdeps/ieee754/dbl-64/e_log2.c>